Zero Tolerance 0550

A tactical folding knife designed in collaboration with Rick Hinderer featuring a 3.5 inch CPM S35VN stonewashed blade, G10 and titanium handle, and frame lock mechanism.

Last updated16 July 2026

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Weight164.5 g (5.80 oz)

PriceUS$250

Blade steelCPM S35VN stainless steel

Lock typeFrame lock

Technical Specs

Specifications

CategoryFolding Knife

Blade length89 mm (3.50 in)

Overall length206 mm (8.11 in)

Closed length118 mm (4.65 in)

Blade thickness4.1 mm (0.16 in)

Handle materialG10, titanium, stainless steel

FinishStonewash

Opening methodFlipper, thumb stud

Clip typeAmbidextrous 4-way steel pocket clip

Carry Profile

Best for

▣Hard Use▣Tactical Applications▣Everyday Carry

Limitations

Not best for

!Lightweight Use!Fine Slicing

Field Signals

Common praise

✓

Durable build quality

✓

Excellent edge retention

✓

Solid ergonomics

✓

Ambidextrous opening options

Watchlist

Common complaints

⚠

Detent is excessively strong making blade opening difficult

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Handle G10 scale pattern is polarizing

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Weight may be heavy for some users

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